Groß-Gerau is an electoral constituency (German: Wahlkreis) represented in the Bundestag. It elects one member via first-past-the-post voting. Under the current constituency numbering system, it is designated as constituency 184. It is located in southern Hesse, comprising the Groß-Gerau district. Groß-Gerau was created for the inaugural 1949 federal election. Since 2021, it has been represented by Melanie Wegling of the Social Democratic Party (SPD).